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An insulated beaker by negligible mass contains liquid water by a mass of 0.315kg and a temperature of 65.8C.
How much ice at a temperature of -15.0C should be dropped into the water so that the final temperature of the system will be 28.0C?
Take the specific heat of liquid water to be 4190J/kgK, the specific heat of ice to be 2100J/kgK, and the heat of fusion for water to be 3.34×105J/kg.
Hexagonal close-packed structure. Consider the first Brillouin zone of a crystal with a simple hexagonal lattice in three dimensions with lattice constants a and c. Let Gc denote the shortest reciprocal lattice vector parallel to the c axis of the..
A cart of mass M = 1.6 kg can roll without friction on the level track. A light string draped over a light, frictionless pulley connects the cart to a hanger with mass m = 0.7 kg.
Particle A carries a charge of 5.0 uC, Particle B is 12.0cm, Find the magnitude and direction of the electric force on A due to B
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. After how many seconds does the ball reach its highest point
Wishing to move his television set to another room, the owner extends the aerial feeder cable, calculate the size of the signal transmitted across the join to the second cable
The heating element of a clothes dryer has a resistance of 16.2. What is the current in the heating element
A ladder is leaning against a vertical wall. The coefficient of friction between the ladder and the horizontal surface is ?1 = 0.105 and the coefficient of friction between the ladder and the wall is ?2 = 0.103. Determine the maximum angle with the v..
A cluster of galaxies has a radius of about 5.2 million light-years (4.9×10^22) and an intracluster medium with a temperature of (6.5×10^7) K. Estimate the mass of the cluster. Give the answer in both kilograms and solar masses. Suppose combined l..
You are trying to overhear a juicy conversation, but from your distance of 15.0 m , How close should you come
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 %u03BCT at a point P, a certain distanceaway from the wire
suppose a solid disk of radius r3.64 cm is given an angular velocity omega54.83 rads about an axis through its center
a source is generating circular waves on the surface of a lake. the waves have a wavelength of 14.9m and travel outward
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